class Building {
  private String name;
  public Building(String name) {
    this.name = name;
  }

  public String getName() {
    return name;
  }
}
class Course {
  private String name;
  public Course(String name) {
   this.name = name;
  }
  public String getName() {
    return name;
  }
}

class College {
  private List<Building> buildings;
  private List<Course> courses;
  public College() {
    buildings = new ArrayList<>();
    courses = new ArrayList<>();
  }
  public void addBuilding(Building building) {
   buildings.add(building);
  }
  public void addCourse(Course course) {
   courses.add(course);
  }
  public List<Building> getBuildings() {
    return buildings;
  }
  public List<Course> getCourses() {
   return courses;
  }

}